// TSAN-intercepted function such as malloc.
		//
		// We check this condition last as g0.stack.lo
		// may be not very accurate (see mstart).
		st := stackt{ss_size: mp.g0.stack.hi - mp.g0.stack.lo}
		setSignalstackSP(&st, mp.g0.stack.lo)
		setGsignalStack(&st, gsigStack)
		return true
	}

	// sp is not within gsignal stack, g0 stack, or sigaltstack. Bad.
	setg(nil)
	needm(true)
	if st.ss_flags&_SS_DISABLE != 0 {